[Cheats/Unlock All Tracks] 
patch=1,EE,20918EA8,extended,FFFFFFFF

[Cheats/Unlock Multiplayer Cars] 
patch=1,EE,20918E98,extended,FFFFFFFF

[Cheats/Unlock Multiplayer Tracks] 
patch=1,EE,20918E9C,extended,FFFFFFFF

[Cheats/Unlock Multiplayer Modes] 
patch=1,EE,20918EA0,extended,FFFFFFFF